-
When observing a specimen using the high power or pol immersion objective one should focus with the ______ ________ knob only.
Fine Adjustment
-
Substance that is placed on the slide when focusing with the 100x objective
Immersion Oil
-
The part of the mechanical stage apparatus that holds the slide in position
Stage clips
-
The part of the microscope that connects the base with the ocular, revolving nosepiece and the stage
Arm
-
The objective with a magnification of 10x
Low Power
-
As one oncreases the magnification the working distance gets ___________
Smaller
-
The cylinders located on the revolving nosepiece that contain lenses of various magnifications are called ___________
Objectives
-
The part of the microscope that holds the slide in position and enables one to move the slide around the stage.
Mechanical Stage
-
The ____________ ____________ knob is used first when focusing with the scanning or low power objectives
Coarse Adjustment
-
The foundation of the microscope
Base
-
A "comma" shaped bacterium
Vibrio
-
Position in which the stage should be placed before storing the microscope
Down
-
If the specimen is in focus using one objective and requires very little adjustment when switching to another objective, the microscope is discribed as being ________
Parafocal
-
The objective with a magnification of 100x
Oil Immersion
-
The part of the microscope that is also called the eyepiece
Ocular
-
The highly resistant cell structures that may be observed as clear structures inside some bacteria
Endospores
-
The part of the microscope on which the slide is placed for observation
Stage
-
before storage the _________ objective should be placed in using position
Scanning
-
The space occuring between the end of the objective and the surface of the slide is called the __________ ___________
Working Distance
-
Immersion oil prevents the ________ of light
refraction
-
The area on the slide observed when looking through the cular is called the _________ _________
Field of View
-
The ocular has a magnification of ____
10x
-
_________ ______________ is calculated by multiplying the power of the ocular by the power of the objective in use
Total magnification
-
Before increasing the magnification, the object to be viewed should be placed in the ________ of the field
Center
-
Type of microscope that untilizes visible light to illuminate the specimen
Light
-
The microscope should always be carried with __________
2 hands
-
Objective with a magnification of 40x
High Power
-
If the 10x objective is in use the total magnification is _____x
100x
-
The low power objective has a magnification of ___x
10x
-
A long filamentous appendage see on some bacteria
Flagellum
-
the high power objective has a magnification of ___x
40x
-
The lenses of the microscope should be cleaned with ___________ only
Lens paper
-
A round or spherical shaped bacterium
Coccus
-
Curved or helical shaped bactera
Spirals
-
An elongated or rod shaped bacterium
Bacillus
-
A _________ _________ consists of the sepcimen suspended in fluid beneath a coverslip
Wet Mount
-
The objectives are located on the revolving __________
Nose piece
-
The part of the microscope that concentrates the light on the specimen
Condenser
-
The scanning objective has a magnification of _____x
4x
-
The total magnififcation when using the scanning objective is _____x
40x
-
Type of microscope that utilizes 2 sets of magnifying lenses
Compound
-
A thick, colorless, gelatinous layer occuring around the cell wall of some bacteria
Capsule
-
The part of the microscope that regulates the intensity of light on the specimen
Iris diaphragm
-
Bacteria are measured in units called _________
Micrometers
-
Type of microscope that utilizes electrons to illuminate the specimen being viewed
Electron
-
Type of microscope that illuminates the specimen in a blackened field
Dark Field
|
|